Good laboratory practices are a quality system related to the organizational processes and conditions under which non-clinical health and environmental safety studies are planned, performed, controlled, recorded, archived and reported.

They are used to obtain data on the properties and hazardousness to humans, animals and the environment of any chemical substance, in order to submit them to the competent regulatory authorities for the official registration of the substances studied, a step prior to their commercialization.

To ensure GLP compliance in the testing entities, national GLP compliance programs were created, which, through the signing of mutual data recognition agreements (MAD), also ensure that the results of these tests are recognized by the other EU and OECD member countries.

ENAC is the organization designated in Spain by the competent administrations to evaluate and certify compliance with the principles of GLP in studies carried out on plant protection products, feed additives and industrial chemicals (including biocides) and food additives, flavorings and enzymes, novel foods and technological adjuvants, thus complying with the European directives that regulate this activity.